Home / 98,686,701.22-136,201,900.02-56,862,759.28

Finding the Fourth Proportional to 98,686,701.22, 136,201,900.02 and 56,862,759.28

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Solution

The fourth proportional to 98,686,701.22, 136,201,900.02 and 56,862,759.28 is: 78,478,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,686,701.22 : 136,201,900.02 = 56,862,759.28 : x
  2. Step 2: Convert to fraction form
    98,686,701.22/136,201,900.02 = 56,862,759.28/x
  3. Step 3: Cross multiply
    98,686,701.22x = 136,201,900.02 × 56,862,759.28
  4. Step 4: Simplify right side
    98,686,701.22x = 7,744,815,854,315,888
  5. Step 5: Solve for x
    x = 7,744,815,854,315,888/98,686,701.22
  6. Step 6: Final answer
    x = 78,478,819.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.